OpenTechnical

OT-2026-000078646

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, vented after set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000078646) never changes.

Identity and time

Publication numberOT-2026-000078646 · never reused
Internal UUID01a0ae95-7c2a-7c0e-933c-0e97747b8632 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078646
StatusPUBLIC

Content hashes

Canonical textf3b6879408139463b50897191790d511e0dafa2dbdbf22bd948c9822bcee7154
Markdown0954517965b0ceffb58d254421c4e4ffb02f5cf094dd6f0bbd5b03d3a54e4b74
PDF
Publication pagee232ab83ecf0c4fd098f3483cc45224289d14720e52a4a4fd81bd299aa2510ad
Manifest255e138920cc2fa65b9e90f43642059112e57790728f2f9f80098acbbc8ccb94

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureX8zOxIV/bxuYmJD5t7XBZQtNJBS//nn6tyjKuiKWr+FFVZ8L9PzvsqQzWhDujtYH1oJa3vj+urp6JC5lhBj+BQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:06:41.549744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078646
observed e232ab83ecf0c4fd098f3483cc452242...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:41.531013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078646/manifest.json
observed 255e138920cc2fa65b9e90f436420591...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:41.512139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078646/publication.md
observed 0954517965b0ceffb58d254421c4e4ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:41.492872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078646/publication.txt
observed f3b6879408139463b50897191790d511...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.